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Chemical Properties of Nitric Acid

Nitric acid i...

Question

Nitric acid is yellow in colour when freshly prepared.

A

True

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B

False

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Solution

The correct option is B False
Freshly prepared nitric acid is colourless but after a while it turns yellow due to the formation of nitrogen oxides. Hence, the statement 'Nitric acid is yellow in colour when freshly prepared.' is false.

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Similar questions

Q. Nitric acid is yellow in colour when:

Q. When freshly prepared,

H N O_{3}

is colourless. On long standing, it turns to yellow colour. Explain.

Q. Conc. Nitric acid prepared in laboratory is yellow in colour why? How is this colour removed?

Q. Give reasons for the following:
Commercial concentrated nitric acid is yellow in colour, but when it is diluted with water, it turns colourless.
Give one chemical test for nitric acid.

Q. (a) Write a balanced chemical equation for the laboratory preparation of nitric acid.
(b) In the preparation of nitric acid from

K N O_{3}

, concentrated hydrochloric acid is not used in place of concentrated sulphuric acid. Explain why.
(c) Conc. nitric acid prepared in laboratory is yellow in colour. Why? How is this colour removed? [4 MARKS]

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Chemical Properties of Nitric Acid

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